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Specifications
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Phone	ZTE Z222 / Z223	Kyocera Energi K490 / K493 / K494	Samsung Jack i637	Samsung Sidekick 4G	LG VX-8550 Chocolate
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	?	2.4" diag. 4 : 3	3.5" diag. 5 : 3	?
Display Resolution & Type	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	104 x 80 pixels LCD (STN)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	900 mAh	?	1,480 mAh	?	800 mAh
Processor	QSC6270	?	?	1 GHz Samsung Hummingbird Cortex A8	?
RAM	64 MB	?	?	?	?
Storage	128 MB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	-	3 megapixel	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	?	WVGA / 480p	QCIF (176 x 144)
Front Camera	-	-	-	Yes	-
Weight	3.24 oz (92g)	3.52 oz (100g)	3.6 oz (102g)	5.7 oz (162g)	3.24 oz (92g)
Dimensions	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slide
Platform / OS	(proprietary)	(proprietary)	Windows Mobile Standard	Android	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900 AMPS: 850 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	1xRTT	HSDPA 3.6	HSPA+ 21	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	Yes	n/a	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes	-	Yes	Yes	Yes
Multiple Languages	Yes	Yes *	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	n/a	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	-	n/a	n/a	Yes
Ringer ID	Yes	Yes	n/a	n/a	Yes
Voice Dialing	-	Yes	n/a	n/a	Yes
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	Yes	Yes	n/a	n/a	Yes
Custom Ringtones	Yes	Yes	n/a	n/a	Yes
Real-Music Ringers	Yes	-	n/a	n/a	Yes
Data & Network
Data Tethering	-	Yes	n/a	n/a	Yes
WAP / Web Browser	Yes	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	Yes
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	-	-	Yes	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	Yes	-	n/a	n/a	-
EMS / Picture Messaging	-	Yes	n/a	n/a	-
Instant Messaging	-	-	n/a	n/a	-
MMS	Yes	-	n/a	n/a	Yes
Text Messaging Templates	Yes	-	n/a	n/a	Yes
Music
FM Radio	Yes *	-	-	-	-
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	-	-	n/a	n/a	Yes
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	Yes
Calculator	Yes	Yes	n/a	n/a	Yes
Calendar	Yes	Yes	n/a	n/a	Yes
To-Do List	-	-	n/a	n/a	-
Voice Memo	Yes	-	n/a	n/a	Yes
Software
BREW	-	Yes	n/a	n/a	Yes
Games	Yes	Yes	n/a	n/a	Yes
Java (J2ME)	Yes	-	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	Yes
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	ZTE Z222 / Z223	Kyocera Energi K490 / K493 / K494	Samsung Jack i637	Samsung Sidekick 4G	LG VX-8550 Chocolate
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	ZTE Z222 / Z223	Kyocera Energi K490 / K493 / K494	Samsung Jack i637	Samsung Sidekick 4G	LG VX-8550 Chocolate